Y02T CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
Description
Y02T encompasses climate change mitigation technologies applied to transportation systems, covering innovations that reduce greenhouse gas emissions and energy consumption across all modes of transport. This subclass includes electric and hybrid vehicles, alternative fuels (such as biofuels and hydrogen), improved combustion engines, aerodynamic enhancements, lightweight materials, and infrastructure for sustainable transportation. It also extends to public transport optimization, fleet management systems, and modal shift technologies that encourage lower-emission travel options. As a cross-sectional tagging classification within the Y scheme, Y02T serves to flag environmentally significant inventions for rapid identification rather than providing primary classification for transport patents.
Filing statistics
CPC subclass Y02T recorded 761,277 patent applications worldwide between 2013 and 2023. Annual filings grew from 49,435 in 2013 to 97,322 in 2023 (+97%), peaking at 108,080 applications in 2022. The most active applicants in class Y02 are CHINESE ACADEMY OF SCIENCES (30,705 applications), TOYOTA MOTOR CORPORATION (29,065 applications) and SGCC(STATE GRID CORPORATION OF CHINA) (22,908 applications).
Source: EPO PATSTAT, worldwide filings
5 direct subcodes
Child Classifications
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- Y02T 10/00 Road transport of goods or passengers
- Y02T 30/00 Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
- Y02T 50/00 Aeronautics or air transport
- Y02T 70/00 Maritime or waterways transport
- Y02T 90/00 Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Top Applicants
Top 10 applicants by patent filingsfor class Y02, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 30,705
- TOYOTA MOTOR CORPORATION 29,065
- SGCC(STATE GRID CORPORATION OF CHINA) 22,908
- LG CHEM KR 22,513
- LG ENERGY SOLUTION KR 20,650
- TOYOTA MOTOR CORPORATION JP 18,015
- HYUNDAI MOTOR COMPANY KR 17,857
- ROBERT BOSCH DE 16,262
- SAMSUNG ELECTRONICS COMPANY KR 14,408
- GE (GENERAL ELECTRIC COMPANY) US 12,474